CC Antya 18.23

jīva hañā kare yei tāhāra varṇana
āpanā śodhite tāra choṅye eka ‘kaṇa’
Synonyms: 
jīva hañā — being an ordinary living entity; kare — makes; yei — whoever; tāhāra — of that; varṇana — description; āpanā — himself; śodhite — to purify; tāra — of that; choṅye — touches; eka kaṇa — one particle.
Translation: 
When an ordinary living entity describes the pastimes of Śrī Caitanya Mahāprabhu, he purifies himself by touching one drop of that great ocean.